Khazinat Al-asrar [portable]

The book provides detailed instructions:

The most visually striking part of the Treasury is its collection of ( awfaq ). These are grids of numbers, often 3x3, 4x4, or 5x5, with each cell containing a numeral that corresponds to a divine name. The most famous is the 3x3 square of the Ism al-A'zam (the Greatest Name of God). khazinat al-asrar